How to Calculate Return on Investment (ROI) Looking for what ROI means?, then "How to Calculate Return on Investment (ROI)", is for you ROI is a way to measure an investment's performance. As you'd expect, it's also a great way to compare the profitability of different investments. Naturally, an investment with a higher ROI is better than an investment with a lower (or … [Read more...] about How to Calculate Return on Investment (ROI)